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2843487
HIV and the immune system
Description
undergraduate Microbiology Quiz on HIV and the immune system, created by Beth Moore on 29/05/2015.
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biology
microbiology
health
microbiology
undergraduate
Quiz by
Beth Moore
, updated more than 1 year ago
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Created by
Beth Moore
over 9 years ago
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Resource summary
Question 1
Question
Which of the following does the HIV virus contain?
Answer
dsDNA
ssDNA
reverse transcriptase
ssRNA
Question 2
Question
What is the name of the viral receptor on the HIV virus envelope?
Answer
gp10
gp120
CD4
gp60
Question 3
Question
During which phase are a large number of virus particles produced?
Answer
Permissive
Lytic
Latent
Question 4
Question
Which of the following are thought to explain the CNS involvement with HIV?
Answer
Monocytes
Dentritic cells
Neutrophils
T-Helper cells
Question 5
Question
CD4 expression not sufficient for HIV infection
Answer
True
False
Question 6
Question
Approximately how long may it take for antibodies to the HIV virus to be produced?
Answer
3-6 days
3-6 months
3-6 years
Question 7
Question
By which cells are the intially high levels of HIV virus cleared?
Answer
T-helper
T-cytotoxic
Neutrophils
NK cells
Question 8
Question
Approximately how long is the asymptomatic stage of the HIV infection?
Answer
1-2 years
5-8 years
10-12 years
15-20 years
Question 9
Question
At which point is the HIV infection officially called AIDS?
Answer
When T-helper levels are below 200 per mm^3
When T-helper levels are below 2000 per mm^3
When T-helper levels are below 1000 per mm^3
When T-helper levels are below 20 per mm^3
Question 10
Question
Which of the following is true of the HIV-1 virus?
Answer
Its origin is in west africa
Its origin is in central africa
The likely source is sooty mangabees
The likely source is chimpanzees
It is between 50-100 years old
It is the least viralent of the two strains
Question 11
Question
In which way is HIV most commonly transmitted?
Answer
Unprotected sex
IV drug use
Breast feeding
Mother-foetus
Question 12
Question
How high is the mutation rate of HIV compared to the flu?
Answer
100x more
10x more
60x more
20x more
Question 13
Question
How does Azidothymidine help protect against HIV?
Answer
It inhibits reverse transcriptase
It binds to gp120
Binds to provirus
Question 14
Question
Which of the following therapies is the current most effective against HIV?
Answer
Passive immunisation using monoclonal antibodies
Azidothymidine
Combination therapy
Gene editing
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